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TI LM2576HVT-ADJ/NOPB product image
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TI LM2576HVT-ADJ/NOPBRoHS

Manufacturer
TI
MPN
LM2576HVT-ADJ/NOPB
LCSC Part #
C527398
Packaging
TO-220-5
Customer #
Key Attributes
3A Non-Synchronous Buck DC-DC Converter
Datasheetpdf iconTI LM2576HVT-ADJ/NOPB
In-Stock: 482
482 In stock, ships now
Add to BOM List
QtyUnit PriceTotal Amount
1+$ 2.889$ 2.7446$ 2.74
10+$ 2.4324$ 2.3108$ 23.11
45+$ 2.1838$ 2.0747$ 93.36
90+$ 1.9271$ 1.8308$ 164.77
450+$ 1.8117$ 1.7212$ 774.54
900+$ 1.763$ 1.6749$ 1507.41
Standard Packaging45/Full Tube
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerTI
PackagingTO-220-5
Operating Temperature-40℃~+125℃@(TJ)
Frequency - Switching52kHz
FunctionStep-down type
Number of Outputs1
FeaturesCycle-by-cycle current limiting;Overcurrent Protection
Output TypeAdjustable
TopologyBuck
Operating Voltage4V~60V
Switch tube (built-in/external)Built-in
Output Voltage1.23V~57V
Output Current3A
Quiescent Current10mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging45
Sales UnitPiece

Introduction

AI Translation

The LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, 15 V, and an adjustable output version. Requiring a minimum number of external components, these regulators are simple to use and include fault protection and a fixed-frequency oscillator. The LM2576 series offers a high-efficiency replacement for popular three-terminal linear regulators. It substantially reduces the size of the heat sink, and in some cases no heat sink is required. A standard series of inductors optimized for use with the LM2576 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies. Other features include a ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring 50-μA (typical) standby current. The output switch includes cycle-by-cycle current limiting, as well as thermal shutdown for full protection under fault conditions. The new product, LMR33630, offers reduced BOM cost, higher efficiency, and an 85% reduction in solution size among many other features.

Features

AI Translation
  • New product available: LMR33630 36-V, 3-A, 400-kHz synchronous converter
  • 3.3-V, 5-V, 12-V, 15-V, and adjustable output versions
  • Adjustable version output voltage range: 1.23 V to 37 V (57 V for HV version) ±4% maximum over line and load conditions
  • Specified 3-A output current
  • Wide input voltage range: 40 V Up to 60 V for HV version
  • Requires only four external components
  • 52-kHz Fixed-frequency internal oscillator
  • TTL-shutdown capability, low-power standby mode
  • High efficiency
  • Uses readily available standard inductors
  • Thermal shutdown and current limit protection
  • Create a Custom Design with WEBENCH Tools

Applications

AI Translation
  • Motor drives
  • Merchant network and server PSU Appliances
  • Test and measurement equipment